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Machine Condition Classification by Using Wavelet Packet Decomposition and Multi-Scale Entropy
2011
Advanced Engineering Forum
A new condition classification method is put forward based on the analysis of vibration signals. Machine working condition can be recognized by the combination of wavelet packet decomposition (WPD) and multi-scale entropy (MSE). Firstly, vibration signal of machine is decomposed by wavelet packet with the appropriate decomposition layer. Then, each sub-signal in different frequency band is analyzed with the multi-scale entropy. Through analyzing the multi-scale entropy distribution curves of
doi:10.4028/www.scientific.net/aef.2-3.743
fatcat:th7ecwbqsncaxh5bxa5adafidy